<template>
  <!-- 上传料单 -->
  <div class="upload-material-list">
    <el-row :gutter="20">
      <el-col :span="4">
        <tree @treeClick="treeClick" />
      </el-col>
      <el-col :span="20">
        <div style="padding: 20px;">
          <div style="margin: 20px 0;">当前工区：工区一-2#楼</div>
          <el-select v-model="value" placeholder="请选择构件类型">
            <el-option label="构件1" value="1"></el-option>
            <el-option label="构件2" value="2"></el-option>
          </el-select>

          <div>
            <el-upload
              class="upload-demo"
              action="https://jsonplaceholder.typicode.com/posts/"
              :on-preview="handlePreview"
              :on-remove="handleRemove"
              :before-remove="beforeRemove"
              multiple
              :limit="3"
              :on-exceed="handleExceed"
              :file-list="fileList"
            >
              <el-button size="small" type="primary">点击上传</el-button>
              <div slot="tip" class="el-upload__tip">
                只能上传jpg/png文件，且不超过500kb
              </div>
            </el-upload>
          </div>
        </div>
      </el-col>
    </el-row>
  </div>
</template>

<script>
import tree from "../components/tree.vue";

export default {
  name: "UploadMateriallist",
  components: { tree },
  props: {},
  data() {
    return {
      value: "",
      fileList: [],
    };
  },
  filters: {},
  computed: {},
  watch: {},
  created() {},
  mounted() {},
  beforeDestroy() {},
  methods: {
    treeClick(data) {
      console.log(data);
    },

    handleRemove(file, fileList) {
      console.log(file, fileList);
    },
    handlePreview(file) {
      console.log(file);
    },
    handleExceed(files, fileList) {
      this.$message.warning(
        `当前限制选择 3 个文件，本次选择了 ${files.length} 个文件，共选择了 ${
          files.length + fileList.length
        } 个文件`
      );
    },
    beforeRemove(file, fileList) {
      return this.$confirm(`确定移除 ${file.name}？`);
    },
  },
};
</script>

<style scoped lang="scss">
.upload-material-list {
  padding: 20px;
}
</style>
